/*
 * Allwinner SoCs display driver.
 *
 * Copyright (C) 2016 Allwinner.
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2.  This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

#include "K101_IM2BYL02_L_800X1280.h"
#include "panels.h"

static void LCD_power_on(u32 sel);
static void LCD_power_off(u32 sel);
static void LCD_bl_open(u32 sel);
static void LCD_bl_close(u32 sel);

static void LCD_panel_init(u32 sel);
static void LCD_panel_exit(u32 sel);

// static u8 const mipi_dcs_pixel_format[4] = {0x77, 0x66, 0x66, 0x55};
#define panel_reset(val) sunxi_lcd_gpio_set_value(sel, 1, val)
#define power_en(val) sunxi_lcd_gpio_set_value(sel, 0, val)

static void LCD_cfg_panel_info(panel_extend_para *info)
{
	u32 i = 0, j = 0;
	u32 items;
	u8 lcd_gamma_tbl[][2] = {
		// {input value, corrected value}
		{0, 0},
		{15, 15},
		{30, 30},
		{45, 45},
		{60, 60},
		{75, 75},
		{90, 90},
		{105, 105},
		{120, 120},
		{135, 135},
		{150, 150},
		{165, 165},
		{180, 180},
		{195, 195},
		{210, 210},
		{225, 225},
		{240, 240},
		{255, 255},
	};

	u32 lcd_cmap_tbl[2][3][4] = {
	{
		{LCD_CMAP_G0, LCD_CMAP_B1, LCD_CMAP_G2, LCD_CMAP_B3},
		{LCD_CMAP_B0, LCD_CMAP_R1, LCD_CMAP_B2, LCD_CMAP_R3},
		{LCD_CMAP_R0, LCD_CMAP_G1, LCD_CMAP_R2, LCD_CMAP_G3},
		},
		{
		{LCD_CMAP_B3, LCD_CMAP_G2, LCD_CMAP_B1, LCD_CMAP_G0},
		{LCD_CMAP_R3, LCD_CMAP_B2, LCD_CMAP_R1, LCD_CMAP_B0},
		{LCD_CMAP_G3, LCD_CMAP_R2, LCD_CMAP_G1, LCD_CMAP_R0},
		},
	};

	items = sizeof(lcd_gamma_tbl) / 2;
	for (i = 0; i < items - 1; i++) {
		u32 num = lcd_gamma_tbl[i + 1][0] - lcd_gamma_tbl[i][0];

		for (j = 0; j < num; j++) {
			u32 value = 0;

			value = lcd_gamma_tbl[i][1] + ((
				lcd_gamma_tbl[i + 1][1] - lcd_gamma_tbl[i][1]) * j) / num;
			info->lcd_gamma_tbl[lcd_gamma_tbl[i][0] + j] =
										(value<<16) + (value<<8) + value;
		}
	}
	info->lcd_gamma_tbl[255] = (lcd_gamma_tbl[items-1][1]<<16) + (lcd_gamma_tbl[items - 1][1]<<8) + lcd_gamma_tbl[items - 1][1];

	memcpy(info->lcd_cmap_tbl, lcd_cmap_tbl, sizeof(lcd_cmap_tbl));

}

static s32 LCD_open_flow(u32 sel)
{
	LCD_OPEN_FUNC(sel, LCD_power_on, 100);  // open lcd power, and delay 50ms
	LCD_OPEN_FUNC(sel, LCD_panel_init, 200);  // open lcd power, than delay 200ms
	LCD_OPEN_FUNC(sel, sunxi_lcd_tcon_enable, 50);  // open lcd controller, and delay 100ms
	LCD_OPEN_FUNC(sel, LCD_bl_open, 0);  // open lcd backlight, and delay 0ms

	return 0;
}

static s32 LCD_close_flow(u32 sel)
{
	LCD_CLOSE_FUNC(sel, LCD_bl_close, 200);  // close lcd backlight, and delay 0ms
	LCD_CLOSE_FUNC(sel, sunxi_lcd_tcon_disable, 20);  //close lcd controller, and delay 0ms
	LCD_CLOSE_FUNC(sel, LCD_panel_exit,	10);  // open lcd power, than delay 200ms
	LCD_CLOSE_FUNC(sel, LCD_power_off, 500);  // close lcd power, and delay 500ms

	return 0;
}

static void LCD_power_on(u32 sel)
{
	panel_reset(0);
	sunxi_lcd_power_enable(sel, 0);  // config lcd_power pin to open lcd power
	sunxi_lcd_delay_ms(5);
	sunxi_lcd_power_enable(sel, 1);  // config lcd_power pin to open lcd power1
	sunxi_lcd_delay_ms(5);
	sunxi_lcd_power_enable(sel, 2);  // config lcd_power pin to open lcd power2
	sunxi_lcd_delay_ms(5);
	power_en(1);
	sunxi_lcd_delay_ms(20);

	// panel_reset(1);
	sunxi_lcd_delay_ms(40);
	panel_reset(1);
	// sunxi_lcd_delay_ms(10);
	// panel_reset(0);
	// sunxi_lcd_delay_ms(5);
	// panel_reset(1);
	sunxi_lcd_delay_ms(120);
	// sunxi_lcd_delay_ms(5);

	sunxi_lcd_pin_cfg(sel, 1);
}

static void LCD_power_off(u32 sel)
{
	sunxi_lcd_pin_cfg(sel, 0);
	power_en(0);
	sunxi_lcd_delay_ms(20);
	panel_reset(0);
	sunxi_lcd_delay_ms(5);
	sunxi_lcd_power_disable(sel, 2);  // config lcd_power pin to close lcd power2
	sunxi_lcd_delay_ms(5);
	sunxi_lcd_power_disable(sel, 1);  // config lcd_power pin to close lcd power1
	sunxi_lcd_delay_ms(5);
	sunxi_lcd_power_disable(sel, 0);  // config lcd_power pin to close lcd power
}

static void LCD_bl_open(u32 sel)
{
	sunxi_lcd_pwm_enable(sel);
	sunxi_lcd_delay_ms(50);
	sunxi_lcd_backlight_enable(sel);  // config lcd_bl_en pin to open lcd backlight
}

static void LCD_bl_close(u32 sel)
{
	sunxi_lcd_backlight_disable(sel);  // config lcd_bl_en pin to close lcd backlight
	sunxi_lcd_delay_ms(20);
	sunxi_lcd_pwm_disable(sel);
}

#define REGFLAG_DELAY             						0XFE
#define REGFLAG_END_OF_TABLE      						0xFD  // END OF REGISTERS MARKER

struct LCM_setting_table {
    u8 cmd;
    u32 count;
    u8 para_list[64];
};

/* add panel initialization below */

static struct LCM_setting_table lcm_initialization_setting[] = {
	{0xFF, 3, {0x98, 0x81, 0x03} },

	// GIP_1
	{0x01, 1, {0x00} },
	{0x02, 1, {0x00} },
	{0x03, 1, {0x73} },
	{0x04, 1, {0x00} },
	{0x05, 1, {0x00} },
	{0x06, 1, {0x08} },
	{0x07, 1, {0x00} },
	{0x08, 1, {0x00} },
	{0x09, 1, {0x00} },
	{0x0A, 1, {0x01} },
	{0x0B, 1, {0x01} },
	{0x0C, 1, {0x00} },
	{0x0D, 1, {0x01} },
	{0x0E, 1, {0x01} },
	{0x0F, 1, {0x00} },
	{0x10, 1, {0x00} },
	{0x11, 1, {0x00} },
	{0x12, 1, {0x00} },
	{0x13, 1, {0x00} },
	{0x14, 1, {0x00} },
	{0x15, 1, {0x00} },
	{0x16, 1, {0x00} },
	{0x17, 1, {0x00} },
	{0x18, 1, {0x00} },
	{0x19, 1, {0x00} },
	{0x1A, 1, {0x00} },
	{0x1B, 1, {0x00} },
	{0x1C, 1, {0x00} },
	{0x1D, 1, {0x00} },
	{0x1E, 1, {0x40} },
	{0x1F, 1, {0xC0} },
	{0x20, 1, {0x06} },
	{0x21, 1, {0x01} },
	{0x22, 1, {0x06} },
	{0x23, 1, {0x01} },
	{0x24, 1, {0x88} },
	{0x25, 1, {0x88} },
	{0x26, 1, {0x00} },
	{0x27, 1, {0x00} },
	{0x28, 1, {0x3B} },
	{0x29, 1, {0x03} },
	{0x2A, 1, {0x00} },
	{0x2B, 1, {0x00} },
	{0x2C, 1, {0x00} },
	{0x2D, 1, {0x00} },
	{0x2E, 1, {0x00} },
	{0x2F, 1, {0x00} },
	{0x30, 1, {0x00} },
	{0x31, 1, {0x00} },
	{0x32, 1, {0x00} },
	{0x33, 1, {0x00} },
	{0x34, 1, {0x00} },  // GPWR1/2 non overlap time 2.62us
	{0x35, 1, {0x00} },
	{0x36, 1, {0x00} },
	{0x37, 1, {0x00} },
	{0x38, 1, {0x00} },
	{0x39, 1, {0x00} },
	{0x3A, 1, {0x00} },
	{0x3B, 1, {0x00} },
	{0x3C, 1, {0x00} },
	{0x3D, 1, {0x00} },
	{0x3E, 1, {0x00} },
	{0x3F, 1, {0x00} },
	{0x40, 1, {0x00} },
	{0x41, 1, {0x00} },
	{0x42, 1, {0x00} },
	{0x43, 1, {0x00} },
	{0x44, 1, {0x00} },

	// 0x/GIP_2
	{0x50, 1, {0x01} },
	{0x51, 1, {0x23} },
	{0x52, 1, {0x45} },
	{0x53, 1, {0x67} },
	{0x54, 1, {0x89} },
	{0x55, 1, {0xAB} },
	{0x56, 1, {0x01} },
	{0x57, 1, {0x23} },
	{0x58, 1, {0x45} },
	{0x59, 1, {0x67} },
	{0x5A, 1, {0x89} },
	{0x5B, 1, {0xAB} },
	{0x5C, 1, {0xCD} },
	{0x5D, 1, {0xEF} },

	// 0x/GIP_3
	{0x5E, 1, {0x00} },
	{0x5F, 1, {0x01} },
	{0x60, 1, {0x01} },
	{0x61, 1, {0x06} },
	{0x62, 1, {0x06} },
	{0x63, 1, {0x07} },
	{0x64, 1, {0x07} },
	{0x65, 1, {0x00} },
	{0x66, 1, {0x00} },
	{0x67, 1, {0x02} },
	{0x68, 1, {0x02} },
	{0x69, 1, {0x05} },
	{0x6A, 1, {0x05} },
	{0x6B, 1, {0x02} },
	{0x6C, 1, {0x0D} },
	{0x6D, 1, {0x0D} },
	{0x6E, 1, {0x0C} },
	{0x6F, 1, {0x0C} },
	{0x70, 1, {0x0F} },
	{0x71, 1, {0x0F} },
	{0x72, 1, {0x0E} },
	{0x73, 1, {0x0E} },
	{0x74, 1, {0x02} },
	{0x75, 1, {0x01} },
	{0x76, 1, {0x01} },
	{0x77, 1, {0x06} },
	{0x78, 1, {0x06} },
	{0x79, 1, {0x07} },
	{0x7A, 1, {0x07} },
	{0x7B, 1, {0x00} },
	{0x7C, 1, {0x00} },
	{0x7D, 1, {0x02} },
	{0x7E, 1, {0x02} },
	{0x7F, 1, {0x05} },
	{0x80, 1, {0x05} },
	{0x81, 1, {0x02} },
	{0x82, 1, {0x0D} },
	{0x83, 1, {0x0D} },
	{0x84, 1, {0x0C} },
	{0x85, 1, {0x0C} },
	{0x86, 1, {0x0F} },
	{0x87, 1, {0x0F} },
	{0x88, 1, {0x0E} },
	{0x89, 1, {0x0E} },
	{0x8A, 1, {0x02} },

	// Page 4 command;
	{0xFF, 3, {0x98, 0x81, 0x04} },

	{0x3B, 1, {0xC0} },  // ILI4003D sel
	{0x6C, 1, {0x15} },  // Set VCORE voltage =1.5V
	{0x6E, 1, {0x2A} },  // di_pwr_reg=0 for power mode 2A //VGH clamp 18V
	{0x6F, 1, {0x33} },  // 45 //pumping ratio VGH=5x VGL=-3x
	{0x8D, 1, {0x1B} },  //VGL clamp -10V
	{0x87, 1, {0xBA} },  //ESD
	{0x3A, 1, {0x24} },  //POWER SAVING
	{0x26, 1, {0x76} },
	{0xB2, 1, {0xD1} },

	// Page 1 command
	{0xFF, 3, {0x98, 0x81, 0x01} },
	{0x22, 1, {0x0A} },  // BGR, SS
	{0x31, 1, {0x00} },  // Zigzag type3 inversion
	{0x40, 1, {0x53} },  // ILI4003D sel
	{0x43, 1, {0x66} },
	{0x53, 1, {0x4C} },
	{0x50, 1, {0x87} },
	{0x51, 1, {0x82} },
	{0x60, 1, {0x15} },
	{0x61, 1, {0x01} },
	{0x62, 1, {0x0C} },
	{0x63, 1, {0x00} },

	// Gamma P
	{0xA0, 1, {0x00} },
	{0xA1, 1, {0x13} },  //VP251
	{0xA2, 1, {0x23} },  //VP247
	{0xA3, 1, {0x14} },  //VP243
	{0xA4, 1, {0x16} },  //VP239
	{0xA5, 1, {0x29} },  //VP231
	{0xA6, 1, {0x1E} },  //VP219
	{0xA7, 1, {0x1D} },  //VP203
	{0xA8, 1, {0x86} },  //VP175
	{0xA9, 1, {0x1E} },  //VP144
	{0xAA, 1, {0x29} },  //VP111
	{0xAB, 1, {0x74} },  //VP80
	{0xAC, 1, {0x19} },  //VP52
	{0xAD, 1, {0x17} },  //VP36
	{0xAE, 1, {0x4B} },  //VP24
	{0xAF, 1, {0x20} },  //VP16
	{0xB0, 1, {0x26} },  //VP12
	{0xB1, 1, {0x4C} },  //VP8
	{0xB2, 1, {0x5D} },  //VP4
	{0xB3, 1, {0x3F} },  //VP0

	// Gamma N
	{0xC0, 1, {0x00} },  // VN255 GAMMA N
	{0xC1, 1, {0x13} },  // VN251
	{0xC2, 1, {0x23} },  // VN247
	{0xC3, 1, {0x14} },  // VN243
	{0xC4, 1, {0x16} },  // VN239
	{0xC5, 1, {0x29} },  // VN231
	{0xC6, 1, {0x1E} },  // VN219
	{0xC7, 1, {0x1D} },  // VN203
	{0xC8, 1, {0x86} },  // VN175
	{0xC9, 1, {0x1E} },  // VN144
	{0xCA, 1, {0x29} },  // VN111
	{0xCB, 1, {0x74} },  // VN80
	{0xCC, 1, {0x19} },  // VN52
	{0xCD, 1, {0x17} },  // VN36
	{0xCE, 1, {0x4B} },  // VN24
	{0xCF, 1, {0x20} },  // VN16
	{0xD0, 1, {0x26} },  // VN12
	{0xD1, 1, {0x4C} },  // VN8
	{0xD2, 1, {0x5D} },  // VN4
	{0xD3, 1, {0x3F} },  // VN0

	{0xFF, 3, {0x98, 0x81, 0x00} },

	// --- TE----
	{0x35, 1, {0x00} },
	// SLP OUT
	{0x11, 0, {0x00} }, // SLPOUT
	{REGFLAG_DELAY, REGFLAG_DELAY, {120} },

	// DISP ON
	{0x29, 0, {0x00} }, // DSPON
	{REGFLAG_DELAY, REGFLAG_DELAY, {20} },

	{REGFLAG_END_OF_TABLE, REGFLAG_END_OF_TABLE, {} }
};

static void LCD_panel_init(u32 sel)
{
	__u32 i;
	char model_name[25];

	disp_sys_script_get_item("lcd0", "lcd_model_name", (int *)model_name, 25);
	sunxi_lcd_dsi_clk_enable(sel);
	sunxi_lcd_delay_ms(20);
	sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_SOFT_RESET);
	sunxi_lcd_delay_ms(10);

	for (i = 0; ; i++) {
		if (lcm_initialization_setting[i].count == REGFLAG_END_OF_TABLE)
			break;
		else if (lcm_initialization_setting[i].count == REGFLAG_DELAY)
			sunxi_lcd_delay_ms(lcm_initialization_setting[i].para_list[0]);
#ifdef SUPPORT_DSI
		else
			dsi_dcs_wr(sel, lcm_initialization_setting[i].cmd,
						lcm_initialization_setting[i].para_list,
						lcm_initialization_setting[i].count);
#endif
		//break;
	}

	return;
}

static void LCD_panel_exit(u32 sel)
{
	sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_SET_DISPLAY_OFF);
	sunxi_lcd_delay_ms(20);
	sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_ENTER_SLEEP_MODE);
	sunxi_lcd_delay_ms(80);

	return ;
}

// sel: 0:lcd0; 1:lcd1
static s32 LCD_user_defined_func(u32 sel, u32 para1, u32 para2, u32 para3)
{
	return 0;
}

// sel: 0:lcd0; 1:lcd1
/* static s32 LCD_set_bright(u32 sel, u32 bright)
{
	sunxi_lcd_dsi_dcs_write_1para(sel,0x51,bright);
	return 0;
} */

__lcd_panel_t K101_IM2BYL02_L_800X1280_mipi_panel = {
	/* panel driver name, must mach the name of lcd_drv_name in sys_config.fex */
	.name = "K101_IM2BYL02_L_800X1280",
	.func = {
		.cfg_panel_info = LCD_cfg_panel_info,
		.cfg_open_flow = LCD_open_flow,
		.cfg_close_flow = LCD_close_flow,
		.lcd_user_defined_func = LCD_user_defined_func,
		//.set_bright = LCD_set_bright,
	},
};
